From 743eb6ec2954a21c6eb287d02ef1906500d2a27d Mon Sep 17 00:00:00 2001
From: David Racero <canillas.mail@gmail.com>
Date: Tue, 10 Nov 2020 17:50:13 +0100
Subject: [PATCH] Added isContract to check asset at LendingPool.initResetve
 function

---
 contracts/lendingpool/LendingPool.sol  | 2 ++
 contracts/libraries/helpers/Errors.sol | 1 +
 2 files changed, 3 insertions(+)

diff --git a/contracts/lendingpool/LendingPool.sol b/contracts/lendingpool/LendingPool.sol
index 9f4ab28a..c625f8b2 100644
--- a/contracts/lendingpool/LendingPool.sol
+++ b/contracts/lendingpool/LendingPool.sol
@@ -25,6 +25,7 @@ import {IPriceOracleGetter} from '../interfaces/IPriceOracleGetter.sol';
 import {SafeERC20} from '../dependencies/openzeppelin/contracts/SafeERC20.sol';
 import {ILendingPool} from '../interfaces/ILendingPool.sol';
 import {LendingPoolStorage} from './LendingPoolStorage.sol';
+import {Address} from '../dependencies/openzeppelin/contracts/Address.sol';
 
 /**
  * @title LendingPool contract
@@ -744,6 +745,7 @@ contract LendingPool is VersionedInitializable, ILendingPool, LendingPoolStorage
     address variableDebtAddress,
     address interestRateStrategyAddress
   ) external override {
+    require(Address.isContract(asset), Errors.LP_NOT_CONTRACT);
     _onlyLendingPoolConfigurator();
     _reserves[asset].init(
       aTokenAddress,
diff --git a/contracts/libraries/helpers/Errors.sol b/contracts/libraries/helpers/Errors.sol
index 1aeb88b1..3f044b17 100644
--- a/contracts/libraries/helpers/Errors.sol
+++ b/contracts/libraries/helpers/Errors.sol
@@ -97,6 +97,7 @@ library Errors {
   string public constant VL_INCONSISTENT_FLASHLOAN_PARAMS = '73';
   string public constant LP_INCONSISTENT_PARAMS_LENGTH = '74';
   string public constant UL_INVALID_INDEX = '77';
+  string public constant LP_NOT_CONTRACT = '78';
 
   enum CollateralManagerErrors {
     NO_ERROR,